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Magnesium Glycinate

Compare magnesium products containing this form by elemental daily dose, daily cost and testing evidence. Blends remain clearly labelled; the parent Magnesium guide explains forms, evidence and safety.

We may earn a commission from qualifying purchases at no extra cost to you. Affiliate relationships never determine our scores or rankings.

9products compared
6forms compared
£0.11 – £0.39per day
1with verified testing evidence
Compare Magnesium Glycinate

Our Top Picks for Magnesium Glycinate

View all Magnesium Glycinate products
Best Overall

WeightWorld Magnesium 4-in-1

Why this score?
Testing & evidence
17/20
Ingredient/formulation quality
24/25
Value
18/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Manufacturer COA
Manufacturer statement
WeightWorld product page says the supplement is "Third-Party Tested" and the page includes a PDF titled "WEIGHTWORLD_MAGNESIUM_GLYCINATE_1422_mg_180_CAPSULES_-_BATCH_CODE_0429825-TCC.pdf". The PDF itself is a "TESTING COMPLIANCE CERTIFICATE" for "WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825" and reports microbiology and contaminant testing plus magnesium/vitamin B6 tolerance checks.
Laboratory
Not recorded
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:44:37
Daily dose
400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
£0.15per day
£13.49per pack
View AnalysisBuy Nowon Amazon
Best Tested

WeightWorld Magnesium Glycinate + B6

Why this score?
Testing & evidence
20/20
Ingredient/formulation quality
24/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
WeightWorld UK product page says “Third-party lab tested — View Certificate”; the certificate for WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825 is a Testing Compliance Certificate attached to test report no. 26C22334 from Neotron Spa, and it states the sample is compliant with contaminant limits and nutrient tolerances.
Laboratory
Neotron Spa
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:23:35
Active form
Bisglycinate
Daily dose
200 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
£0.11per day
£9.95per pack
View AnalysisBuy Nowon Amazon
Cheapest Per Day

WeightWorld Magnesium Glycinate + B6

Why this score?
Testing & evidence
20/20
Ingredient/formulation quality
24/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
WeightWorld UK product page says “Third-party lab tested — View Certificate”; the certificate for WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825 is a Testing Compliance Certificate attached to test report no. 26C22334 from Neotron Spa, and it states the sample is compliant with contaminant limits and nutrient tolerances.
Laboratory
Neotron Spa
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:23:35
Active form
Bisglycinate
Daily dose
200 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
£0.11per day
£9.95per pack
View AnalysisBuy Nowon Amazon

Compare Magnesium Glycinate Products

9 products

Compare elemental magnesium, not compound weight. A 1,420 mg bisglycinate compound can supply 200 mg elemental magnesium. The rest is the accompanying compound. Use the declared elemental amount; do not infer it from a generic conversion percentage. Read the dose guide ↓

Magnesium Glycinate product comparison
#ProductActive formDaily dosePrice/dayTestingScore
1WeightWorld Magnesium 4-in-1WeightWorld180 capsulesBisglycinateCitrateMalateTaurate400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.15per day£13.49 per packBuy Nowon AmazonTesting evidence
Evidence status
Manufacturer COA
Manufacturer statement
WeightWorld product page says the supplement is "Third-Party Tested" and the page includes a PDF titled "WEIGHTWORLD_MAGNESIUM_GLYCINATE_1422_mg_180_CAPSULES_-_BATCH_CODE_0429825-TCC.pdf". The PDF itself is a "TESTING COMPLIANCE CERTIFICATE" for "WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825" and reports microbiology and contaminant testing plus magnesium/vitamin B6 tolerance checks.
Laboratory
Not recorded
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:44:37
Why this score?
Testing & evidence
17/20
Ingredient/formulation quality
24/25
Value
18/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
2WeightWorld Magnesium Glycinate + B6WeightWorld180 capsulesBisglycinate200 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.11per day£9.95 per packBuy Nowon AmazonTesting evidence
Evidence status
Verified independent evidence
Manufacturer statement
WeightWorld UK product page says “Third-party lab tested — View Certificate”; the certificate for WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825 is a Testing Compliance Certificate attached to test report no. 26C22334 from Neotron Spa, and it states the sample is compliant with contaminant limits and nutrient tolerances.
Laboratory
Neotron Spa
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:23:35
Why this score?
Testing & evidence
20/20
Ingredient/formulation quality
24/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
3Zipvit Magnesium Glycinate + B6Zipvit120 tabletsBisglycinate400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.17per day£9.99 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
Amazon listing and Zipvit product page both claim the product is "Third Party Tested" / "Independently Verified for Quality & Safety" and "INDEPENDENTLY LAB TESTED"; Zipvit product page also shows "106% LABEL ACCURACY 4/4 TESTS PASSED 1/1 CLAIMS VERIFIED".
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:51:04
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
24/25
Value
17/20
Dose transparency
11/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
4New Leaf Magnesium 4-in-1New Leaf Products120 capsulesBisglycinateOxideCitrateMalate381 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.20per day£11.95 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "Formulated and Tested with Expertise" and "our products undergo rigorous testing for heavy metals and unwanted compounds during production" on the Ingredients & Quality page.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:20:38
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
5SS Sport Supplies Magnesium Glycinate + B6SS Sport Supplies120 capsulesBisglycinate315 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.17per day£9.99 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "Certified for Quality & Safety — Our products are GMP (Good Manufacturing Practice) certified" and the product page also shows two COA images, but I did not find an independently verifiable third-party registry entry or readable lab report for this specific product.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:45:49
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
14/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
6Nutrition Geeks Magnesium 3-in-1Nutrition Geeks90 capsulesBisglycinateCitrateMalate384 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.22per day£9.99 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer product page states: "Third-party tested" and "JUN 2026 1 active ingredient tested for quality" for Magnesium Glycinate 3-in-1.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:21:32
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
7New Leaf Magnesium GlycinateNew Leaf Products120 capsulesBisglycinate208 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.15per day£8.97 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "To ensure the highest safety and quality, our products undergo rigorous testing for heavy metals and unwanted compounds during production..."
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:24:53
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
12/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
8AAVALABS Fullnesium ComplexAAVALABS180 capsulesBisglycinateOxideCitrateMalateTaurate425 mgAbove recommended rangeRecommended: 270–300 mg/day (NHS)£0.22per day£19.60 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
AAVALABS’ own FAQ and brand article say the company’s products are subjected to “thorough independent third-party laboratories to ensure purity, including checks for heavy metals, GMOs, and gluten,” but I did not find a product-specific COA, lab report, or certifying-body registry entry for Fullnesium Complex.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:43:55
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
13/15
Manufacturer transparency
5/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
9Viridian High Potency MagnesiumViridian30 capsulesBisglycinateOxideCitrate300 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.39per day£11.55 per packBuy Nowon AmazonTesting evidence
Evidence status
No public evidence located
Manufacturer statement
Viridian’s own site says the product has "130 purity checks" and the product page says "I Trust Viridian Supplements because I see what goes into them - 130 purity checks, no junk, and formulas rooted in real research"; the brand also says "Our 130 Point Promise" includes a "Purity" checklist and that a reference sample of every batch is kept for its complete shelf life.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:34:26
Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
23/25
Value
11/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
#1

WeightWorld Magnesium 4-in-1

WeightWorld

Why this score?
Testing & evidence
17/20
Ingredient/formulation quality
24/25
Value
18/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Manufacturer COA
Manufacturer statement
WeightWorld product page says the supplement is "Third-Party Tested" and the page includes a PDF titled "WEIGHTWORLD_MAGNESIUM_GLYCINATE_1422_mg_180_CAPSULES_-_BATCH_CODE_0429825-TCC.pdf". The PDF itself is a "TESTING COMPLIANCE CERTIFICATE" for "WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825" and reports microbiology and contaminant testing plus magnesium/vitamin B6 tolerance checks.
Laboratory
Not recorded
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:44:37
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
180 capsules

Full ingredients and formulation →

£0.15per day£13.49 per pack
View AnalysisBuy Now on Amazon
#2

WeightWorld Magnesium Glycinate + B6

WeightWorld

Why this score?
Testing & evidence
20/20
Ingredient/formulation quality
24/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
Bisglycinate
Daily dose
200 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
WeightWorld UK product page says “Third-party lab tested — View Certificate”; the certificate for WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825 is a Testing Compliance Certificate attached to test report no. 26C22334 from Neotron Spa, and it states the sample is compliant with contaminant limits and nutrient tolerances.
Laboratory
Neotron Spa
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:23:35
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
180 capsules

Full ingredients and formulation →

£0.11per day£9.95 per pack
View AnalysisBuy Now on Amazon
#3

Zipvit Magnesium Glycinate + B6

Zipvit

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
24/25
Value
17/20
Dose transparency
11/15
Manufacturer transparency
9/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
Bisglycinate
Daily dose
400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Amazon listing and Zipvit product page both claim the product is "Third Party Tested" / "Independently Verified for Quality & Safety" and "INDEPENDENTLY LAB TESTED"; Zipvit product page also shows "106% LABEL ACCURACY 4/4 TESTS PASSED 1/1 CLAIMS VERIFIED".
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:51:04
Formulation & serving details
Format
Tablet
Serving
2 tablets
Servings/day
1
Pack size
120 tablets

Full ingredients and formulation →

£0.17per day£9.99 per pack
View AnalysisBuy Now on Amazon
#4

New Leaf Magnesium 4-in-1

New Leaf Products

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
381 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "Formulated and Tested with Expertise" and "our products undergo rigorous testing for heavy metals and unwanted compounds during production" on the Ingredients & Quality page.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:20:38
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
120 capsules

Full ingredients and formulation →

£0.20per day£11.95 per pack
View AnalysisBuy Now on Amazon
#5

SS Sport Supplies Magnesium Glycinate + B6

SS Sport Supplies

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
14/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
Bisglycinate
Daily dose
315 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "Certified for Quality & Safety — Our products are GMP (Good Manufacturing Practice) certified" and the product page also shows two COA images, but I did not find an independently verifiable third-party registry entry or readable lab report for this specific product.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:45:49
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
120 capsules

Full ingredients and formulation →

£0.17per day£9.99 per pack
View AnalysisBuy Now on Amazon
#6

Nutrition Geeks Magnesium 3-in-1

Nutrition Geeks

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
384 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer product page states: "Third-party tested" and "JUN 2026 1 active ingredient tested for quality" for Magnesium Glycinate 3-in-1.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:21:32
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
90 capsules

Full ingredients and formulation →

£0.22per day£9.99 per pack
View AnalysisBuy Now on Amazon
#7

New Leaf Magnesium Glycinate

New Leaf Products

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
12/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
Bisglycinate
Daily dose
208 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "To ensure the highest safety and quality, our products undergo rigorous testing for heavy metals and unwanted compounds during production..."
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:24:53
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
120 capsules

Full ingredients and formulation →

£0.15per day£8.97 per pack
View AnalysisBuy Now on Amazon
#8

AAVALABS Fullnesium Complex

AAVALABS

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
13/15
Manufacturer transparency
5/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
425 mgAbove recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
AAVALABS’ own FAQ and brand article say the company’s products are subjected to “thorough independent third-party laboratories to ensure purity, including checks for heavy metals, GMOs, and gluten,” but I did not find a product-specific COA, lab report, or certifying-body registry entry for Fullnesium Complex.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:43:55
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
180 capsules

Full ingredients and formulation →

£0.22per day£19.60 per pack
View AnalysisBuy Now on Amazon
#9

Viridian High Potency Magnesium

Viridian

Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
23/25
Value
11/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
300 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
No public evidence located
Manufacturer statement
Viridian’s own site says the product has "130 purity checks" and the product page says "I Trust Viridian Supplements because I see what goes into them - 130 purity checks, no junk, and formulas rooted in real research"; the brand also says "Our 130 Point Promise" includes a "Purity" checklist and that a reference sample of every batch is kept for its complete shelf life.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:34:26
Formulation & serving details
Format
Capsule
Serving
1 capsule
Servings/day
1
Pack size
30 capsules

Full ingredients and formulation →

£0.39per day£11.55 per pack
View AnalysisBuy Now on Amazon

One-time purchase prices; delivery and conditional discounts excluded. Daily cost uses the recorded label serving. Comparison amounts are not personal dose recommendations. Unknown Prime eligibility is not treated as confirmed.

Understand this magnesium form

This subset includes products containing the named form, including labelled blends. Use the Magnesium forms and evidence guide for explanations, dose guidance, safety and sources.

Testing evidence in this comparison

A testing claim is not the same as a verified report. No public evidence located does not mean a product has not been tested.

Testing review pending0
Recognised certification0
Verified independent evidence1
Manufacturer COA1
Testing claimed6
No public evidence located1

What does magnesium glycinate cost?

Current UK comparison set, based on the daily serving shown on each label.

£0.11Lowest daily cost
£0.17Median daily cost
£0.39Highest daily cost

Sources & methodology

Detailed educational content and source review are in progress for this category.

Read our methodology and how we verify testing.

Page updated10 Sep 2026
Editorial reviewPending editorial approval
Product evidenceSee individual records